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Finding the Fourth Proportional to 302,677.36, 417,735.13 and 195,559.11

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Solution

The fourth proportional to 302,677.36, 417,735.13 and 195,559.11 is: 269,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,677.36 : 417,735.13 = 195,559.11 : x
  2. Step 2: Convert to fraction form
    302,677.36/417,735.13 = 195,559.11/x
  3. Step 3: Cross multiply
    302,677.36x = 417,735.13 × 195,559.11
  4. Step 4: Simplify right side
    302,677.36x = 81,691,911,771.77
  5. Step 5: Solve for x
    x = 81,691,911,771.77/302,677.36
  6. Step 6: Final answer
    x = 269,897.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.